<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区 -->
            <div class="avater_box">
                <img src="../assets/logo.png" alt="" srcset="">
            </div>
            <!-- 登录区 -->
            <el-form label-width="0px" :rules="loginRules" ref="logingFromRef" class="login_form" :model="loginForm">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="logingFromRef">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
  data () {
    return {
    // 登录
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 用户名和密码验证
      loginRules: {
        username: [
          { required: true, message: '请输入登录名', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    //   重置按钮 在from表单中
    logingFromRef () {
    //   console.log(this)
      this.$refs.logingFromRef.resetFields()
    },
    login () {
      this.$refs.logingFromRef.validate(async isvalue => {
        if (!isvalue) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) {
          this.$message.error('错了哦，登录失败')
        } else {
          this.$message({
            message: '恭喜你，登录成功',
            type: 'success'
          })
          console.log(res)
          window.sessionStorage.setItem('token', res.data.token)
          this.$router.push('/home')
        }
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
    background-color: aqua;
    height: 100%;
}
.login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    .avater_box {
        height: 130px;
        width: 130px;
        border-radius: 50%;
        border: 1px solid #eee;
        padding: 10px;
        box-shadow: 0 0 10px #ddd;
        position: absolute;
        left: 50%;
        transform: translate(-50%,-50%);
        background-color: #fff;
        img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background-color: #eee;
        }
    }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
